Strength Calculation and Life Expectancy Evaluation of Steam Turbine Valve and Cylinder Casings

汽轮机 阀壳与 汽缸强度计算及寿命评估

The simulation results verify the theoretical analysis of twin spool valve asymmetrical cylinder system and provide the instructive theoretical basis and the control method to research the twin spool valve technique .

仿真结果验证了双 阀芯 控制非对称 缸系统的理论分析，为双阀芯系统的进一步研究提供了具有指导意义的理论依据和控制方法。

Position Control in Pneumatic Proportional Valve and Cylinder System Based on Fuzzy Control

基于模糊控制的气动比例 阀 缸系统的位置控制

This paper analyzed the power losing on traditional hydraulic system designed hydraulic hitch system oil circuit A mathematical model of valve control cylinder is established .

分析了传统拖拉机液压系统存在的功率损失的问题，设计了液压悬挂系统油路，建立了 阀控 液压 缸的数学模型，设计的液压系统比传统拖拉机液压悬挂系统更节能。

The mathematical model for describing valve controlled cylinder electro-hydraulic control system in which the high-speed ON / OFF valves act as guiding valves have been put forward . The effects of input signal and system parameter have been analyzed through digital simulation .

建立了以高速开关阀为先导 级 的 阀控 缸电液控制系统的数学模型，通过对模型的数字仿真，分析了输入信号及系统参数对输出的影响。

Liquid cooled four stroke transverse four cylinder DOHC 4 valve per cylinder .

水冷，四冲程，横向四缸，双凸轮轴，4 缸，每 阀。

Another DSP system also connects the man-machine interface such as solenoid valve cylinder implementing agencies to achieve the parameters of the tablet input of the opening and closing baffle the tick tablets function as waste .

另外DSP系统还连接了人机界面， 汽缸电磁 阀等执行机构，实现药片各种参数的输入挡板的开闭，药片的剔废等辅助功能。

Simulation study of valve control cylinder pneumatic velocity control by PID

阀控 缸气动速度PID控制仿真研究

For the valve controlling cylinder speed control system is instability used PID control method proofread the system Choose a suitable PID parameters .

针对 阀控 缸速度控制系统的不稳定状况，采用PID控制方式对系统进行校正，选择了适宜的PID参数。

In the circumstances of zero flooding wasting speed control and adjustment of working devices can be realized by using variable machine for adjusting variable pump 's displacement in the system of electrohydraulic proportional valve and cylinder powered by variable displacement pump .

在变量泵提供动力的电液比例 阀 控 缸系统中，利用变量机构实时调节变量泵排量，可在不增加溢流损耗的情况下，实现工作装置速度的控制与调节。

Hydraulic Damper Test Bench Employing Technique of the High Performance Proportional Valve Controlled Cylinder

采用高性能比例 阀控 缸技术的液压减振器试验台

The three dimensional flow field of helical intake port valve cylinder during the steady flow rig experiment was simulated . The influences of the shape of intake port and offset of valve on the characteristics of flow field and swirl ratio were analyzed .

对稳流试验中螺旋进气道－ 气门 － 气缸内3维流场进行了数值模拟，分析了气道形状、气门偏置对流场特征和涡流比的影响。

The Study about Structure of Multi - valve Cylinder Head

多 气门 气缸盖结构的研究

General pneumatic electromagnetic guide the process of performing actions cylinder can also be manually controlled pilot valve cylinder process of the implementation of the action .

一般气动是电磁先导、气缸执行动作的过程，也可用手控制先导 阀 气缸执行动作的过程。

Research on Proportional Pneumatic Piezoelectric Valve and Accurate Drive of the Atmospheric Pressure Jar ; Position Control in Pneumatic Proportional Valve and Cylinder System Based on Fuzzy Control

压电式气动比例阀及气缸精密驱动研究基于模糊控制的气动比例 阀 缸系统的位置控制

Analyze package layout focus on cam phase controller oil pressure control valve cylinder head VVT oil supply gallery etc. And conduct test verification and data analysis on engine test bed .

重点对凸轮相位控制器、油压控制 电磁 阀、 缸盖VVT供油通路等布置方案进行了分析。并且通过发动机台架试验进行了试验验证和数据分析。

Obtain the mathematics model of valve control cylinder drive system study the static state characteristic of the system as well .

建立 阀控 液压 缸系统的数学模型，分析该系统的静态特性。

CAPP Expert System for 5 - valve Cylinder Head

发动机5 气门 缸盖CAPP专家系统

The design of variable mechanism is that of valve controlled cylinder and its most important principle is the power-matching principle .

变量机构的设计实际上就是一种 阀控 缸的设计，在 阀 控 缸设计中，所应遵循的最重要的基本原理就是功率匹配原理。

According to the experimental results of the static and dynamic performance of the electrode servo control system of an electrical furnace in a steel plant we identify the mathematical model of the valve controlled cylinder system with deadband nonlinearity .

本文根据对某钢厂引进电炉的电极伺服控制系统的静、动态特性的测试，辨识出具有死区非线性 阀控 缸系统的数学模型。

The Modular Modeling and Research of Valve Controlling Cylinder Based on MATLAB / SIMULINK

基于MATLAB/SIMULINK的 阀控 缸模块化建模与研究

Dynamic Analysis of Valve Controlling Cylinder in Hydraulic Turbine Governor

水轮机调速器中 阀控 缸动态特性分析

Soft Measuring Method of Load Force in a Valve Controlled Cylinder System

基于经验的 阀控 液压 缸负载阻力的软测量方法

A novel pneumatic position servo system of the valve controlled cylinder by adopting two electro-pneumatic pressure proportional valves is presented and using the self-tuning adaptive control scheme of pole placement approach the real-time control of the system is implemented .

提出采用两个电－气压力比例阀构成新颖的 阀控 缸气动位置伺服系统，并运用极点配置的自校正自适应控制方法实现了气缸 活塞 位移的实时控制。

Study on modeling and simulation of valve controlling cylinder servo system

阀控 缸伺服系统建模与仿真研究

Three Dimensional Simulation of Air Motion in Helical Port Valve Cylinder

螺旋进气道- 气门 - 气缸 内空气运动的3维数值模拟

Cushioning and positioning of proportional valve - cylinder system controlled by a microcomputer

微机控制比例 阀& 缸 液压系统的缓冲与定位

Experiment results show that all the models and simulation data are right and credible and also verify the correctness of the theoretical analysis of twin spool valve asymmetrical cylinder system .

实验表明，所建模型和仿真数据是正确、可靠的，同时也验证了对双 阀芯系统的理论分析正确性。

Base on the position closed-loop model and rolling force closed-loop model the dissertation separately analyzes the performance parameters of fluid power key elements such as servo valve cylinder pipe and its influence on hydraulic AGC systemic dynamic response and steady state accuracy .

基于位置闭环模型和轧制力闭环模型，分析了伺服 阀、 液压 缸、管道等液压关键元件及性能参数对液压AGC系统的动态响应和稳态精度的影响。